La liceale al mare con l'amica di papà (High School Girl at the Beach with Dad's Friend) is a 1980 commedia sexy all'italiana film directed by Marino Girolami and starring Renzo Montagnani.

Massimo Castaldi (Montagnani) is a social climber married to Violante (Marisa Mell), who comes from a rich family.

His relationship with his mistress Laura (Cinzia De Ponti) is jeopardised when the family moves to its summer house on the Apulian coast of the Adriatic.

On the other hand, there are two dim-witted criminals, Terenzio (Alvaro Vitali) and Fulgenzio (Gianni Ciardo), who are planning to kidnap one of the Castaldi family for a large ransom.

An Italian review of the time assesses the film as follows: "Predictable jokes, a few beautiful girls and a pair of low-rank avanspettacolo comedians.